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Fixed typos in declination table lookup

This commit is contained in:
Lorenz Meier 2014-04-30 08:13:42 +02:00
parent ec50f73cbe
commit 48a9ba39af
1 changed files with 2 additions and 2 deletions
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4
src/lib/geo/geo_mag_declination.c
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@ -115,8 +115,8 @@ __EXPORT float get_mag_declination(float lat, float lon)
} }
/* find index of nearest low sampling point */ /* find index of nearest low sampling point */
unsigned min_lat_index = (90 + min_lat) / SAMPLING_RES; unsigned min_lat_index = (-(SAMPLING_MIN_LAT) + min_lat) / SAMPLING_RES;
unsigned min_lon_index = (180 + min_lat) / SAMPLING_RES; unsigned min_lon_index = (-(SAMPLING_MIN_LON) + min_lon) / SAMPLING_RES;
float declination_sw = get_lookup_table_val(min_lat_index, min_lon_index); float declination_sw = get_lookup_table_val(min_lat_index, min_lon_index);
float declination_se = get_lookup_table_val(min_lat_index, min_lon_index + 1); float declination_se = get_lookup_table_val(min_lat_index, min_lon_index + 1);